CN112081234A - Municipal administration is with pipeline machine of taking out dirt - Google Patents
Municipal administration is with pipeline machine of taking out dirt Download PDFInfo
- Publication number
- CN112081234A CN112081234A CN202011022993.4A CN202011022993A CN112081234A CN 112081234 A CN112081234 A CN 112081234A CN 202011022993 A CN202011022993 A CN 202011022993A CN 112081234 A CN112081234 A CN 112081234A
- Authority
- CN
- China
- Prior art keywords
- sewage
- filter screen
- cavity
- fixed
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000010865 sewage Substances 0.000 claims abstract description 63
- 238000005086 pumping Methods 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 10
- 239000002893 slag Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/014—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements with curved filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a municipal pipeline sewage pumping machine which structurally comprises a fixing frame, an external connection box, a motor, a sewage pumping head and a fixed bottom plate, wherein the fixed bottom plate is arranged at the bottom of the fixing frame, the fixed bottom plate is mechanically welded with the fixing frame, the motor is arranged on the fixed bottom plate, the motor is connected with the external connection box, and the sewage pumping head is connected with the motor, and the municipal pipeline sewage pumping machine has the beneficial effects that: utilize the impact force of taking out dirty in-process sewage to the center block for the center block slides on fixed chamber, and the relative position between traction control fly leaf, the interception layer for the filter residue of interception on the filter screen enters into the cavity that the arc enclosed, prevents to take out dirty in-process, leads to the filter screen to block up owing to piling up of filter residue.
Description
Technical Field
The invention relates to the municipal field, in particular to a municipal pipeline sewage pumping machine.
Background
Along with people's standard of living constantly improves, urban construction is also bigger and bigger, wherein pipeline construction is a main content of municipal work, along with the increase of pipe laying quantity, also expose many problems, need take sewage out at the mediation maintenance in-process of sewer, and take out the in-process that the sewage was taken out to the head of taking out, because sewage contains impurity, and take out the bore of head of dirty and be greater than pipeline's bore, impurity can enter into and take out in the head of taking out dirty, nevertheless because pipeline's bore is less, consequently cause the jam easily.
Disclosure of Invention
Aiming at the defects of the prior art, the invention is realized by the following technical scheme: a municipal pipeline sewage pumping machine structurally comprises a fixing frame, an external box, a motor, a sewage pumping head and a fixed bottom plate, wherein the fixed bottom plate is arranged at the bottom of the fixing frame and is mechanically welded with the fixing frame;
the sewage pumping head is composed of a connecting cavity, a slag discharging mechanism, a filter head and an inlet, wherein the connecting cavity is connected with the inlet, the filter head is arranged in the connecting cavity, and the slag discharging mechanism is matched with the filter head.
As a further optimization of the invention, the slag discharging mechanism is composed of a shaft rod, two arc plates, a shifting plate and a rotating rod, wherein the shaft rod penetrates through one end of the rotating rod, the two arc plates are arranged and are arranged in a symmetrical structure, the arc plates are connected with the filter head, the shifting plate and the rotating rod are connected, the shifting plate is contacted with the inner wall of the arc plates, and a cavity surrounded by the arc plates is provided with an opening.
As a further optimization of the invention, the filter head is composed of a linkage mechanism, a spring, a fixed cavity and a filter screen layer, the linkage mechanism is connected with the spring, the spring is installed in the fixed cavity, the filter screen layer is arranged in an arc shape, the fixed cavity is positioned in the center of the concave side of the filter screen layer, two ends of the filter screen layer are respectively fixedly connected with the two arc-shaped plates, and one side of the filter screen layer, which is far away from the fixed cavity, is arched outwards.
As a further optimization of the invention, the linkage mechanism comprises a connecting block, a piston, an arc-shaped wall, a movable plate, an intercepting layer, a connecting block, a connecting rod and a central block, wherein the connecting block is fixedly connected with the piston, one end of the connecting block, which is far away from the piston, is fixed on the central block, the central block is installed in a fixed cavity and is in sliding fit with the fixed cavity, the central block is mechanically connected with the connecting rod, two connecting rods are arranged, the connecting rod is connected with the intercepting layer through the movable plate, the connecting block is arranged at the connecting position of the connecting rod and the movable plate, and one end of the intercepting layer, which is far away from the movable plate, is.
As a further optimization of the invention, the filter screen layer is composed of a main groove, two auxiliary grooves and a filter screen, the auxiliary grooves are arranged on two sides of the main groove, the auxiliary grooves are communicated with the main groove, and the main groove and the auxiliary grooves are both arranged on one side of the filter screen close to the fixed cavity.
As a further optimization of the invention, the movable plate is of a solid structure, and the intercepting layer is provided with a hollow frame, so that filter residues can be output through the movable plate.
As a further optimization of the invention, the center block is arranged in the fixed cavity, the center block is fixedly connected with one end of the spring, and the center block is in sliding fit with the fixed cavity.
As a further optimization of the invention, the filter screen is arched outwards in an arc shape, so that filter residues intercepted by the filter screen can fall along the arc of the filter screen and enter the cavity defined by the arc plate after accumulating to a certain amount.
Advantageous effects
The invention relates to a municipal pipeline sewage pumping machine, wherein a sewage pumping head is connected with a sewage pool, equipment is started to pump sewage in the sewage pool, when the sewage enters the sewage pumping head from an inlet, the sewage firstly passes through a filter screen layer and then enters a connecting cavity, the filter screen layer is arched in an arc shape, so that filter residues intercepted by the filter screen can fall along the radian of the filter screen after accumulating to a certain amount, a central block at the moment moves in a direction far away from the filter screen layer in a fixed cavity due to the impact force brought by the pumped sewage, and a movable plate is pulled by a connecting rod to move along with the central block, so that the movable plate is separated from an intercepting layer, a hollow frame on the intercepting layer is exposed, the filter residues falling on the filter screen enter a cavity defined by an arc plate through the hollow frame, a rotary rod rotates around a shaft and drives a shifting plate to move in the same direction with the central block, and the filter residues are pushed out from an opening, when stopping taking dirty, the center block loses the impact force of sewage, therefore realizes restoring to the throne under the effect of spring to promote the fly leaf through the connecting rod and move toward interception layer direction, cover interception layer, realize closing of the cavity that the arc enclosed.
Compared with the prior art, the invention has the following advantages:
according to the sewage suction device, the impact force of sewage on the central block in the sewage suction process is utilized, so that the central block slides on the fixed cavity, the relative position between the movable plate and the intercepting layer is controlled in a traction manner, filter residues intercepted on the filter screen enter a cavity surrounded by the arc-shaped plates, the filter screen is prevented from being blocked due to accumulation of the filter residues in the sewage suction process, and the normal work of the filter screen is guaranteed;
according to the invention, the arc-shaped plate and the inner wall of the sewage pumping head form a cavity, and the filter residue in the cavity is pulled out by means of the pulling plate, so that the filter residue is discharged, secondary impurity removal is not required in the later stage, and the workload of workers is saved.
According to the invention, the arch-shaped filter screen layer is arranged in the sewage pumping head, so that the separation of impurities in sewage from water quality can be effectively realized, the impurities are prevented from entering the conveying pipe with a smaller caliber, and the smoothness of the pipeline is ensured.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a municipal pipeline sewage extractor of the invention.
FIG. 2 is a structural diagram of a sewage pumping head of the municipal pipeline sewage pumping machine.
Fig. 3 is a structure diagram of a filter head of a municipal pipeline sewage pumping machine.
FIG. 4 is a top view of a filter screen layer of a municipal pipeline sewage extractor of the invention.
FIG. 5 is a structural diagram of a linkage mechanism of the municipal pipeline sewage extractor.
Fig. 6 is an operation state diagram of fig. 5.
FIG. 7 is a diagram of a filter screen layer of a municipal pipeline sewage extractor according to the invention.
In the figure, a fixed frame 1, an external box 2, a motor 3, a sewage pumping head 4, a fixed bottom plate 5, a connecting cavity a, a slag discharging mechanism b, a filter head c, an inlet d, a shaft rod b1, an arc-shaped plate b2, a shifting plate b3, a rotating rod b4, a linkage mechanism c1, a spring c2, a fixed cavity c3, a filter screen layer c4, a connecting block c11, a piston c12, an arc-shaped wall c13, a movable plate c14, an interception layer c15, a connecting block c16, a connecting rod c17, a central block c18, a main groove c41, an auxiliary groove c42 and a filter screen c 43.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
Example 1
Referring to fig. 1-7, the invention provides a municipal pipeline sewage pumping machine, which structurally comprises a fixed frame 1, an external box 2, a motor 3, a sewage pumping head 4 and a fixed bottom plate 5, wherein the fixed bottom plate 5 is arranged at the bottom of the fixed frame 1, the fixed bottom plate 5 is mechanically welded with the fixed frame 1, the motor 3 is arranged on the fixed bottom plate 5, the motor 3 is connected with the external box 2, and the sewage pumping head 4 is connected with the motor 3;
the sewage pumping head 4 is composed of a connecting cavity a, a slag discharging mechanism b, a filter head c and an inlet d, the connecting cavity a is connected with the inlet d, the filter head c is arranged in the connecting cavity a, and the slag discharging mechanism b is matched with the filter head c.
The slag discharging mechanism b is composed of a shaft lever b1, an arc-shaped plate b2, two shifting plates b3 and a rotating rod b4, the shaft lever b1 penetrates through one end of the rotating rod b4, the arc-shaped plates b2 are arranged and are arranged in a symmetrical structure, the arc-shaped plate b2 is connected with a filter head c, the shifting plates b3 and the rotating rod b4 are connected, the shifting plates b3 are in contact with the inner wall of the arc-shaped plate b2, a cavity defined by the arc-shaped plates b2 is provided with an opening, and the shaft lever b1 is connected with external mechanical force so as to drive the rotating rod b4 to rotate clockwise and anticlockwise alternately.
The filter head c is composed of a linkage mechanism c1, a spring c2, a fixed cavity c3 and a filter screen layer c4, the linkage mechanism c1 is connected with a spring c2, the spring c2 is installed in the fixed cavity c3, the filter screen layer c4 is arranged in an arc shape, the fixed cavity c3 is located in the center of the concave side of the filter screen layer c4, two ends of the filter screen layer c4 are fixedly connected with two arc-shaped plates b2 respectively, and the side, away from the fixed cavity c3, of the filter screen layer c4 is arched outwards.
The linkage mechanism c1 is composed of a connecting block c11, a piston c12, an arc-shaped wall c13, a movable plate c14, an intercepting layer c15, a connecting block c16, a connecting rod c17 and a central block c18, wherein the connecting block c11 is fixedly connected with the piston c11, one end, away from the piston c11, of the connecting block c11 is fixed on the central block c11, the central block c11 is installed in the fixed cavity c11 and is in sliding fit with the fixed cavity c11, the central block c11 is mechanically connected with the connecting rod c11, two connecting rods c11 are arranged, the connecting rod c11 is connected with the movable plate c11 through the movable plate c11, the position where the connecting rod c11 is connected with the movable plate c11 is provided with the intercepting block c11, one end, away from the movable plate c11, of the intercepting layer c11 is fixed on the inner wall of the inlet d, and the intercepting layer 11 is matched with the movable plate c 36.
The strainer layer c4 is composed of a main tank c41, an auxiliary tank c42 and a strainer c43, the auxiliary tank c42 is arranged on each side of the main tank c41, the auxiliary tank c42 is two, the auxiliary tank c42 is communicated with the main tank c41, the main tank c41 and the auxiliary tank c42 are both arranged on one side, close to the fixed cavity c3, of the strainer c43, and the main tank c41 and the auxiliary tank c42 are arranged to prevent sewage from flowing back and intercept the sewage.
The movable plate c14 is a solid structure, and a hollow frame is arranged on the intercepting layer c15, so that filter residues can be output through the movable plate c 14.
The center block c18 is installed in the fixed cavity c3, the center block c18 is fixedly connected with one end of the spring c2, and the center block c18 is in sliding fit with the fixed cavity c 3.
The screen c43 is arched outward, so that the filter residue intercepted by the screen c43 falls along the arc of the screen c43 and enters the cavity surrounded by the arc plate b2 after accumulating to a certain amount.
The sewage pumping head 4 is connected with a sewage tank, equipment is started to enable the sewage pumping head 4 to pump sewage in the sewage tank, when the sewage enters the sewage pumping head 4 from an inlet d, the sewage firstly passes through a filter screen layer c4 and then enters a connecting cavity a, the filter screen layer c4 is arched in an arc shape, filter residues intercepted by the filter screen c43 can fall along the radian of the filter screen c43 after accumulating to a certain amount, at the moment, the central block c18 enables the central block c18 to move in the direction far away from the filter screen layer c4 in the fixed cavity c3 due to impact force caused by the pumped sewage, the movable plate c14 is pulled to move along with the central block c17 through the connecting rod c17, the movable plate c14 is separated from the intercepting layer c15, the hollow frame on the intercepting layer c15 is exposed, and the filter residues falling on the filter screen c43 can enter a cavity formed by the hollow plate b2 through the hollow plate, the rotating rod b4 rotates around the shaft b1 and drives the plate b3 to move towards the same direction, therefore, filter residues are pushed out from the opening, when sewage pumping is stopped, the central block c18 loses the impact force of sewage, so that the reset is realized under the action of the spring c2, the movable plate c14 is pushed to move towards the intercepting layer c15 through the connecting rod c17, the intercepting layer c15 is covered, and the closing of the cavity surrounded by the arc-shaped plate b2 is realized.
While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a dirty machine is taken out to pipeline for municipal administration which characterized in that: the structure of the device comprises a fixing frame (1), an external box (2), a motor (3), a sewage pumping head (4) and a fixed bottom plate (5), wherein the fixed bottom plate (5) is arranged at the bottom of the fixing frame (1), the fixed bottom plate (5) is mechanically welded with the fixing frame (1), the motor (3) is installed on the fixed bottom plate (5), the motor (3) is connected with the external box (2), and the sewage pumping head (4) is connected with the motor (3);
the sewage pumping head (4) is composed of a connecting cavity (a), a slag discharging mechanism (b), a filter head (c) and an inlet (d), the connecting cavity (a) is connected with the inlet (d), the filter head (c) is arranged in the connecting cavity (a), and the slag discharging mechanism (b) is matched with the filter head (c).
2. The municipal pipeline sewage extractor of claim 1, wherein: slag discharging mechanism (b) comprises axostylus axostyle (b1), arc (b2), group board (b3), rotary rod (b4), axostylus axostyle (b1) runs through the one end of rotary rod (b4), arc (b2) are connected with filter head (c), it is connected to dial board (b3), rotary rod (b4), it contacts with arc (b2) inner wall to dial board (b 3).
3. The municipal pipeline sewage extractor of claim 1, wherein: the filter head (c) is composed of a linkage mechanism (c1), a spring (c2), a fixed cavity (c3) and a filter screen layer (c4), the linkage mechanism (c1) is connected with the spring (c2), the spring (c2) is installed in the fixed cavity (c3), the fixed cavity (c3) is located in the center of the concave side of the filter screen layer (c4), and two ends of the filter screen layer (c4) are fixedly connected with the two arc-shaped plates (b2) respectively.
4. The municipal pipeline sewage extractor of claim 3, wherein: the linkage mechanism (c1) is composed of a connecting block (c11), a piston (c12), an arc-shaped wall (c13), a movable plate (c14), an intercepting layer (c15), a connecting block (c16), a connecting rod (c17) and a central block (c18), wherein the connecting block (c11) is fixedly connected with the piston (c12), one end, far away from the piston (c12), of the connecting block (c11) is fixed on the central block (c18), the central block (c18) is mechanically connected with the connecting rod (c17), the connecting rod (c17) is connected with the intercepting layer (c15) through the movable plate (c14), and the connecting block (c16) is arranged at the connecting position of the connecting rod (c17) and the movable plate (c 14).
5. The municipal pipeline sewage extractor of claim 3, wherein: the filter screen layer (c4) is composed of a main groove (c41), an auxiliary groove (c42) and a filter screen (c43), the auxiliary groove (c42) is arranged on each of two sides of the main groove (c41), the auxiliary groove (c42) is communicated with the main groove (c41), and the main groove (c41) and the auxiliary groove (c42) are both arranged on one side, close to the fixed cavity (c3), of the filter screen (c 43).
6. The municipal pipeline sewage extractor of claim 4, wherein: the movable plate (c14) is of a solid structure, and a hollow frame is arranged on the intercepting layer (c15), so that filter residues can be output through the movable plate (c 14).
7. The municipal pipeline sewage extractor of claim 4, wherein: the center block (c18) is installed in a fixed cavity (c3), the center block (c18) is fixedly connected with one end of a spring (c2), and the center block (c18) is in sliding fit with the fixed cavity (c 3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011022993.4A CN112081234B (en) | 2020-09-25 | 2020-09-25 | Municipal administration is with pipeline machine of taking out dirt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011022993.4A CN112081234B (en) | 2020-09-25 | 2020-09-25 | Municipal administration is with pipeline machine of taking out dirt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112081234A true CN112081234A (en) | 2020-12-15 |
| CN112081234B CN112081234B (en) | 2021-10-26 |
Family
ID=73738872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011022993.4A Expired - Fee Related CN112081234B (en) | 2020-09-25 | 2020-09-25 | Municipal administration is with pipeline machine of taking out dirt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112081234B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118125574A (en) * | 2024-05-08 | 2024-06-04 | 青岛海纳能源环保科技开发有限公司 | Industrial wastewater purification device with oil-liquid separation function |
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| US8888465B1 (en) * | 2005-03-29 | 2014-11-18 | Liberty Pumps Inc. | Sewage handling system, cover, and controls |
| CN206581323U (en) * | 2016-12-16 | 2017-10-24 | 郑州大学 | A kind of hydrological engineering dirt cleaner |
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| CN210263288U (en) * | 2019-05-06 | 2020-04-07 | 南京晓庄学院 | Can prevent rainwater for municipal works of jam and handle connecting tube |
| CN210369286U (en) * | 2019-05-10 | 2020-04-21 | 张佳恩 | Stifled desilting device is prevented to town road engineering |
| CN111335390A (en) * | 2020-03-09 | 2020-06-26 | 苏清彬 | A inhale mud equipment for bridge construction |
| CN111412146A (en) * | 2020-06-05 | 2020-07-14 | 王�华 | Sewage treatment is carried with preventing blockking up water pump |
-
2020
- 2020-09-25 CN CN202011022993.4A patent/CN112081234B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8888465B1 (en) * | 2005-03-29 | 2014-11-18 | Liberty Pumps Inc. | Sewage handling system, cover, and controls |
| CN206581323U (en) * | 2016-12-16 | 2017-10-24 | 郑州大学 | A kind of hydrological engineering dirt cleaner |
| CN207646823U (en) * | 2017-12-15 | 2018-07-24 | 刘利斌 | One kind afforesting water guiding system for sponge urban vegetation |
| CN109440914A (en) * | 2018-12-23 | 2019-03-08 | 瑞德(新乡)路业有限公司 | A kind of fecal suction truck equipped with anti-blocking pipeline |
| CN210263288U (en) * | 2019-05-06 | 2020-04-07 | 南京晓庄学院 | Can prevent rainwater for municipal works of jam and handle connecting tube |
| CN210369286U (en) * | 2019-05-10 | 2020-04-21 | 张佳恩 | Stifled desilting device is prevented to town road engineering |
| CN111335390A (en) * | 2020-03-09 | 2020-06-26 | 苏清彬 | A inhale mud equipment for bridge construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118125574A (en) * | 2024-05-08 | 2024-06-04 | 青岛海纳能源环保科技开发有限公司 | Industrial wastewater purification device with oil-liquid separation function |
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| Publication number | Publication date |
|---|---|
| CN112081234B (en) | 2021-10-26 |
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